Marginal Gains for a Big Improvement

Following on from a feature in the Guardian newspaper discussing marginal gains resulting in serious performance improvements we have posted a blog post taking a look at how ithlete contributes.

Christmas Shipping & Gift Giving

Discount to facilitate giving HRV this Holiday season What is your favourite thing about tracking heart rate variability (HRV) with ithlete? Making training more efficient? Improved performance and competitive edge? Avoiding injury and illness? Or maybe the guilt free...

Sports Nutrition Seminar

On Saturday I attended and presented at, a Sports Nutrition event in London aimed at sports professionals and athletes aiming to get the very most out of their bodies. It was run by nutritionist Matt Lovell, with a substantial contribution by ultra-runner Barry...

We need your data!

Since we introduced subjective scales for sleep, fatigue, soreness, stress, mood & diet in ithlete v3.0 at the beginning of the year, we have been intrigued with the idea of seeing how these factors relate to changes in our daily HRV. We included a facility in the...

How accurate are consumer pulse sensors?

Not very – according to a review recently undertaken by CNET. Senior Editor Sharon Profis collaborated with Cardiologist Dr Jon Zaroff to compare some popular health tracker devices to medical ECG equipment at rest and during treadmill exercise at quite high...

Energy drinks and HRV

A short summary of Dr Mike T. Nelson’s paper on the impact of a Monster energy drink on heart rate, heart rate variability (HRV) and ride time to exhaustion.

The Science of Compliance

by Carl Valle In the article SaaS: How Quantified Self data is disrupting Professional Sports Part 2, I briefly went into compliance but personal feedback from coaches felt that I should have expanded that part into it’s own guide. I don’t know what the ideal...

HRV after exercise: implications for training prescription

Introduction Researchers Jamie Stanley & Jonathan Peake from the University of Queensland, with the guidance of heart rate variability (HRV) sports research supremo Martin Buchheit have put together an important review article with over 120 references. The paper...

ithlete v3 is now available on Android!

Introducing ithlete v3 on Android Since releasing ithlete v3 on iOS earlier in the year the team have been working on delivering the same major updates for our Android users. Whilst the app basics (1 minute convenient HRV measurement to identify training readiness)...

London Marathon Sub 3hr Pacer John O’Regan week report

Monday April 07th  HRV 67 Green. A reasonable result after yesterday’s steady session and late night.  Feeling good but will take it easy today.  Easy lunchtime run of 7K staying slow and keeping an eye on HR which seemed than expected.  That’ll be all for today...

Training Camp by Amir Williamson

Good morning Guys, Just sitting here at Gatwick airport waiting to board a plane to Portugal, what’s that you say… holiday? I wish!!! My training partner Sam Milner and I, along with our coach Malcolm Fenton, are off on a two week training camp to the IAAF...

Camp Digital user experience conference

Camp Digital We were invited to present at a User Experience event called Camp Digital in Manchester by the designer Chris Bush who helped us realise the v3.0 UI (user interface) design of ithlete. This was the first time I had presented to (several hundred) User...

International CES 2014 ithlete press coverage

International CES 2014 was always set to be a hugely significant event for fitness technology companies with the fit tech area expanded by 30% from the previous year. On our first year at CES, ithlete fitted in perfectly.  With a new high quality visually appealing...

Validating the new ithlete Finger Sensor

Although ECG signals have been the gold standard for heart rate variability (HRV) due to the sharp, easily identified peak of the R wave, there has been a desire amongst researchers and practitioners to find a more convenient alternative.  The pulse sensor, of the...

ithlete v3 is here on iOS!

It’s been over 3 years since the ithlete app was originally designed, and with feedback from hundreds of separate users, we knew it was high time for a redesign of the user experience.  It’s not so much about adding features (though there are some much requested...

Tuesday Tip: Maintaining a flexible training plan

Some customers tell us they struggle with the idea of adapting training each morning, preferring instead to have a set plan in mind and sticking to it. Others often relay that time is the biggest restraint on their training and they can’t simply drop things to train...

ithlete now supports Bluetooth Smart on Android

ithlete 2.3 supports Bluetooth Smart on Android – available now! Following the latest release from Google providing native Bluetooth Low-Energy support as part of its operating system, we are delighted to announce that ithlete now supports Bluetooth Smart on...

ithlete at the 6th International HRV Symposium

This weekend we are off to Halle in the former Eastern Germany to present & exhibit at the 6th International HRV Symposium. This is a biannual event that consists of a full day program of both invited speakers who are authorities on particular aspects of HRV...

Tuesday Tip: The importance of sleep

Sleep & Recovery Recovery is essential in any training programme and sleep is arguably the most important element of recovery. As most athletes know you don’t get fitter during workouts but actually when your body recovers, rebuilding and super compensating to get...

Tuesday Tip: Record your training load

Why record training load with ithlete? It is strongly recommended athletes record training load in ithlete to add depth and meaning to their heart rate variability (HRV) data. Recovering from a hard session? Recording training load can often explain daily ithlete...

Tuesday Tip: Using and maintaining your HRM strap

Many athletes use a heart rate monitor (HRM strap) during exercise to monitor the intensity of their training.  We often assume this is a ‘fit and forget’ accessory, but there seems to be a lack of useful tips for use and care of the strap itself. With particular...

Breathing and heart rate variability: The Research

The impact of breathing on different HRV measurements: implications for monitoring athletes Who, what & why? It has long been known that breathing affects heart rate variability (HRV). Many studies have tracked HRV in athletes – some have used free (spontaneous)...

Tuesday Tip: Breathing affects heart rate variability

Breathing and heart rate are intrinsically linked Heart rate (HR) varies with breathing, as you breathe in HR speeds up, as you breathe out HR slows. This is known as Respiratory Sinus Arrhythmia (RSA for short). This is also why deep/slow breathing is linked with...

Luke Campbell ithlete utilisation

As the strength and conditioning coach of one of the highest profile athletes from 2012 the pressure was on me to get everything in place for the start of Luke Campbell’s professional career in 2013. In a review of his first professional fight camp we decided that to...

Tuesday Tip: Time of measurement

Time of measurement We recommend taking your ithlete heart rate variability (HRV) reading first thing in the morning, preferably right after waking. There are a number of reasons behind this recommendation… Following a full night of rest It’s a well-known fact that...

ithlete v2.3 update for iOS

Today sees the release of an important update to the ithlete app, from this afternoon iOS (Apple) users can update to ithlete v2.3. Key features of the update include: iPhone 5 Screen optimisation The ithlete app is now a better fit for our iPhone 5 users! The layout...

80:20 training & heart rate variability by Andy Dolphin

Learning about heart rate variability I started cycling in April 2012, and quickly found out about the ithlete heart rate variability (HRV) app in July. Up until that point I didn’t really train as such, but simply went out for a ride. I did a sportive in July and...

Simon’s Polarised Training Challenge: The results!

The Etape du Tour 2013 Sunday 7th July So was all the training and preparation worthwhile?  Read on to find out! Taper & travel After a couple of good rides the previous weekend, I began my taper with an hour long aerobic ride on Weds 3rd July, and a light workout...

Cyclingphysio.com ithlete review

We wanted to share this great independent take on ithlete with you! A while back the ithlete team spoke to a guy named Dave who had a few questions about ithlete and mentioned he was reviewing it for his site – great we thought. But things are as busy as ever here at...

Fatigue, overtraining & the road to recovery

Okay, here goes . . . my first ever internet blog. Where shall I begin? Well it makes sense to share my experiences and understanding of the phenomenon that brought about me working in conjunction with ‘ithlete’ and using heart-rate variability to inform my training ....

Ben Ives

By day I am full-time GTA/Funded PhD Sports Coaching student at the University of Hull. By night I am a hyper-motivated road cyclist who is determined to obtain a professional contract. I turned to cycling in 2011 after a long career of playing football for Derby...